[WEEX-571][iOS]peformance record, fix createInstance time in snandbox (#1443)
[WEEX-571][iOS]peformance record, fix createInstance time in snandbox (#1443)


acton393/incubator-weex,acton393/incubator-weex,alibaba/weex,alibaba/weex,acton393/incubator-weex,alibaba/weex,alibaba/weex,KalicyZhou/incubator-weex,Hanks10100/incubator-weex,KalicyZhou/incubator-weex,acton393/incubator-weex,KalicyZhou/incubator-weex,KalicyZhou/incubator-weex,Hanks10100/incubator-weex,Hanks10100/incubator-weex,Hanks10100/incubator-weex,KalicyZhou/incubator-weex,acton393/incubator-weex,alibaba/weex,Hanks10100/incubator-weex,Hanks10100/incubator-weex,Hanks10100/incubator-weex,acton393/incubator-weex,Hanks10100/incubator-weex,KalicyZhou/incubator-weex,alibaba/weex,alibaba/weex,acton393/incubator-weex,acton393/incubator-weex